Java/Concatenate.java
import java.util.Scanner;
public class Concatenate { 
    public static void main(String[] args) {
      Scanner scn = new Scanner(System.in);
      while(scn.hasNextLine()){  
          String a = scn.next();
          String b = scn.next();
          System.out.println(a+b);
 }    scn.close();
} }
    

